Home / 134,728.32-185,935.68-74,304.48

Finding the Fourth Proportional to 134,728.32, 185,935.68 and 74,304.48

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Solution

The fourth proportional to 134,728.32, 185,935.68 and 74,304.48 is: 102,546.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,728.32 : 185,935.68 = 74,304.48 : x
  2. Step 2: Convert to fraction form
    134,728.32/185,935.68 = 74,304.48/x
  3. Step 3: Cross multiply
    134,728.32x = 185,935.68 × 74,304.48
  4. Step 4: Simplify right side
    134,728.32x = 13,815,854,015.85
  5. Step 5: Solve for x
    x = 13,815,854,015.85/134,728.32
  6. Step 6: Final answer
    x = 102,546.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.